An 8-bit DAC has an output of 3.92 mA with an input of 01100010. What is the res

Question

An 8-bit DAC has an output of 3.92 mA with an input of 01100010. What is the resolution? a. 40 microA b. 98 microA c. 3.92 milliA d. 98 microV Which of the following is not an advantage of SPI transmission over SCI transmission? a. Error checking via parity bit b. Faster transmission c. Master-slave capability d. Synchronous transmission A HCS12 embedded timer is in PWM mode. The E-clock is 24 MHz and the value in PWMPER = 0x97. What value of scaler is required to give a period of approximately 402.7 microseconds? a.16 b. 32 c. 64 d. 128 The input capture option on the HCS12 is used to measure the period of a 100 Hz signal. With an E-clock of 24 MHz and no scaling, how many overflows will occur? Assume the free-running timer starts at 0x0000. a. 1 b. 3 c. 4 d. 7 Which of the following cannot be a sequence in a normal 4-step sequence for a stepper motor? a. 0xCC b. 0xAA c. 0x66 d. 0x33

Explanation / Answer

d a c A

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